RAB Lighting B3B Black Weatherproof Outdoor Electrical Box, Die-Cast 1/2in
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- SLEEK FACTORY-BLACK FINISH: The B3B is a true black outdoor electrical box with a deep, even die-cast finish that looks clean and intentional against dark posts, trim, walls and fixtures.
- WEATHERPROOF DIE-CAST ALUMINUM: A rugged die-cast aluminum junction box, UL Listed and rated for wet locations to protect outlets, switches and wiring from rain on patios, garages and exterior walls.
- THREE 1/2 IN THREADED HUBS: Run 1/2 in conduit in or straight through this single-gang outdoor outlet box. Ready for outlets, switches, floodlights and post-mounted landscape lighting.
- READY TO INSTALL OUT OF THE BOX: Includes Flexi 16-gauge steel mounting lugs, Phillips screws and a pre-tapped ground screw, so you can surface-mount from the top or side and wire it fast.
- TRUSTED RAB QUALITY SINCE 1946: A commercial-grade weatherproof electrical box backed by RAB. Cover is sold separately and pairs with most common black weatherproof outlet covers.
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Select a product to estimate shipping.Looking for a durable and stylish way to protect your outdoor electrical connections? The RAB Lighting B3B Black Weatherproof Outdoor Electrical Box offers a robust solution for your lighting and wiring needs. This box is built to withstand the elements and provides a clean, professional look for your outdoor projects.
Key Highlights
- Weatherproof Design: Constructed from rugged die-cast aluminum, it's UL Listed and rated for wet locations, safeguarding your connections from rain.
- Sleek Black Finish: The deep, even black powder-coated finish complements dark outdoor settings, enhancing the aesthetic of your installations.
- Conduit Ready: Features three 1/2 inch threaded hubs allowing you to run conduit directly through the box.
- Easy Installation: Includes mounting lugs and screws for quick and simple surface-mount installation.
- Commercial Grade Quality: Backed by RAB Lighting, a trusted name in commercial-grade electrical products.
Useful Facts
- Material: Aluminum
- Brand: RAB Lighting
- Color: Black
- Dimensions: 2"D x 2.75"W x 4.75"H
- UPC: 019813905402
Good Fit For
- Garage Electrical Projects
- Patio Lighting Installations
- Exterior Wall Wiring
- Post-Mounted Landscape Lighting
- General Outdoor Electrical Needs
Product details








| Main Specification | |
|---|---|
| Manufacturer | RAB Lighting |
| Unit Count | 1 Count |
| Brand | Rab Lighting |
| UPC | 019813905402 |
| Number of Items | 1 |
| Capacity | 18.3 cubic inches |
| Included Components | B3B |
| Product Dimensions | 2"D x 2.75"W x 4.75"H |
| Material | Aluminum |
| Colour | Black |
| Finish Type | Powder Coated |
| Installation Type | Screw-In |
| Style | Compact |
| Global Trade Identification Number | 00019813905402 |
| Item Weight | 8.16 Ounces |
| Technical Details | |
| Part Number | B3B |
| Item details | |
| Model Number | B3B |
| Item Type Name | Outdoor |
| Measurements | |
| Item Dimensions D x W x H | 2"D x 2.75"W x 4.75"H |
| Others | |
| Product Type | outdoor |







